Point Forecast Matrices Issued by NWS Great Falls, MT
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FOUS55 KTFX 170237
PFMTFX
Point Forecast Matrices
National Weather Service Great Falls MT
837 PM MDT Tue Apr 16 2024
MTZ312-171000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 25 36 23 39 20
Temp 41 34 32 28 28 31 35 36 30 28 25 23 28 34 38 38 31 26 23 21
Dewpt 26 29 29 25 22 15 18 15 16 17 16 14 11 10 10 9 11 13 14 13
RH 55 82 88 88 78 51 49 42 55 63 68 68 48 36 31 29 43 57 68 71
Wind dir N N NW N NW NW NW N N NW W W NW NW NW N N N N N
Wind spd 18 13 16 21 18 20 20 16 10 8 6 6 10 10 10 13 10 6 5 5
Clouds OV B2 OV OV OV OV OV OV B1 B2 B1 SC SC B2 B1 B1 SC SC FW SC
PoP 12hr 80 80 30 20 10
QPF 12hr 0.14 0.13 0 0 0
Snow 12hr 1 2 00-00
Rain
Snow S L L L D D C C C C C S S
Obvis BS BS BS
Winter Weath Y Y Y Y Y
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 36 22 51 32 59 36 60 37 66
Temp 32 36 26 23 39 49 36 35 55 57 43 38 53 59 45 39 59 64
Dewpt 12 12 14 15 16 19 24 24 26 22 28 28 27 26 31 30 31 28
PWind dir N NE E SE SW W W SE W
Wind char GN GN GN GN GN GN GN GN GN
Avg clouds SC B1 B1 SC FW FW FW SC SC SC SC B1 SC SC SC SC B1 SC
PoP 12hr 10 5 0 5 10 10 5 10 10
$$
MTZ303-171000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 21 35 21 36 18
Temp 34 31 28 24 25 28 33 34 27 25 22 21 26 31 35 35 26 22 20 19
Dewpt 28 26 24 20 19 16 17 14 15 15 14 13 11 12 12 11 10 12 13 13
RH 78 81 85 84 78 60 51 43 60 65 71 71 52 45 38 36 50 65 74 77
Wind dir N NW N NW NW N N NW NW NW NW NW NW NW NW N N N NW NW
Wind spd 19 20 27 29 29 31 29 21 13 12 12 11 17 21 21 21 12 10 10 9
Wind gust 40 44
Clouds OV OV OV OV OV OV B2 B1 SC B1 SC B1 SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr 70 50 10 10 5
QPF 12hr 0.10 0.01 0 0 0
Snow 12hr 1 T 00-00
Rain
Snow L L C C C S S
Obvis BS BS BS BS BS BS
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 33 19 47 27 56 32 58 33 63
Temp 29 33 24 20 37 46 31 30 50 52 39 33 51 56 40 34 56 60
Dewpt 11 12 15 14 14 17 20 21 23 22 27 26 25 23 28 28 27 26
PWind dir N E SE S W W W S W
Wind char GN GN GN GN BZ GN GN GN GN
Avg clouds B1 B2 B2 SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 5 0 0 0 10 5 5 5 5
$$
MTZ319-171000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 29 37 25 41 24
Temp 45 39 36 32 30 33 35 35 31 28 27 25 28 34 39 39 33 28 26 24
Dewpt 19 18 21 21 19 17 17 15 16 18 18 18 15 13 15 15 12 14 15 15
RH 35 42 54 63 63 51 47 43 53 66 68 74 58 41 37 37 41 55 62 68
Wind dir NW W W NW N N N N N NW NW NW N N N N N N N N
Wind spd 20 14 12 12 18 17 18 16 11 9 5 4 5 8 11 14 11 10 8 9
Wind gust 28
Clouds OV B2 B2 OV OV B2 B1 B1 SC B1 SC SC B1 B1 B1 B1 B1 SC SC B1
PoP 12hr 70 90 20 10 10
QPF 12hr 0.03 0.10 0 0 0
Snow 12hr T 1 00-00
Snow L L D D C S S S
Obvis BS BS
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 39 25 56 34 61 36 64 38 69
Temp 34 38 28 25 42 53 39 36 53 57 43 38 53 59 45 40 58 65
Dewpt 12 12 15 15 19 21 25 26 29 24 28 27 29 28 30 30 32 30
PWind dir N N E S W W NW NW W
Wind char GN GN LT GN GN GN GN GN GN
Avg clouds SC SC SC FW FW FW FW SC SC SC SC SC SC B1 SC SC B1 SC
PoP 12hr 5 5 0 10 20 5 10 10 20
Rain S S
$$
MTZ326-171000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 23 37 17 40 18
Temp 40 33 29 25 25 31 35 35 27 23 20 18 23 31 37 38 29 26 22 19
Dewpt 26 25 22 19 17 18 16 14 13 14 15 13 13 13 14 13 14 16 14 13
RH 57 72 75 78 71 58 45 41 55 68 81 80 65 47 38 35 53 65 71 77
Wind dir NW NW W W NW NW NW N N N W SW NW NW NW N N NE NE NE
Wind spd 12 10 9 6 11 16 14 12 10 5 5 3 3 5 6 10 8 6 5 4
Wind gust 23
Clouds OV OV OV OV OV B2 B1 SC SC B1 SC SC SC SC SC B2 B1 B1 B1 B1
PoP 12hr 90 80 20 5 10
QPF 12hr 0.29 0.09 0 0 0
Snow 12hr 1 1 00-00
Rain
Snow D D L D L L C S S
Winter Weath Y Y Y Y Y
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 40 20 53 29 61 30 62 33 68
Temp 33 40 27 21 40 51 36 31 52 58 40 33 52 59 42 36 56 65
Dewpt 14 16 16 15 20 23 26 24 31 27 26 25 28 28 31 29 32 32
PWind dir NE E E SE SW W W E SW
Wind char LT GN LT LT GN GN LT LT LT
Avg clouds B1 SC B1 SC SC FW FW SC SC SC SC SC SC SC SC SC B1 B1
PoP 12hr 10 10 5 5 20 5 10 10 20
Rain S S S
$$
MTZ330-171000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 20 34 8 37 11
Temp 36 32 29 23 23 31 34 31 22 17 12 9 17 32 37 35 25 20 15 12
Dewpt 31 31 28 21 17 14 14 13 11 10 7 5 7 9 10 12 14 13 11 8
RH 82 96 96 92 77 49 43 47 62 73 80 83 64 37 32 38 62 74 84 84
Wind dir SW SW NW NW N N N N N N N E NE NW W W N NE NE NE
Wind spd 17 9 6 8 9 9 9 10 8 5 3 2 2 3 8 10 4 4 3 4
Clouds OV OV OV OV OV OV OV B2 SC SC FW FW FW SC SC B1 SC SC B1 B1
PoP 12hr 100 90 30 10 10
QPF 12hr 0.20 0.11 0.01 0 0
Snow 12hr 1 2 T
Rain
Snow D D D D L L L C C
Winter Storm W W W W W W W
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 39 17 51 23 55 22 54 25 59
Temp 36 38 23 18 44 48 31 26 51 51 33 25 49 52 33 27 54 55
Dewpt 16 16 17 13 20 20 23 21 27 26 25 20 23 23 26 23 26 30
PWind dir N NE N SW SW W W S S
Wind char LT LT LT LT GN GN GN LT GN
Avg clouds B1 SC SC SC SC FW FW FW SC SC SC SC SC SC SC SC B1 B1
PoP 12hr 10 20 10 5 20 10 10 10 30
Rain S C
Snow S
$$
MTZ328-171000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 25 36 20 40 21
Temp 41 35 29 26 26 31 35 33 27 24 22 20 24 32 39 39 30 27 24 21
Dewpt 26 23 21 18 14 15 16 17 19 17 16 16 15 15 14 15 17 18 17 16
RH 55 61 72 71 60 51 45 51 71 74 77 84 68 49 35 37 58 68 74 81
Wind dir N N N NE N N NE N NE NE NE NE N N N N NE NE NE NE
Wind spd 13 12 11 9 10 10 11 11 10 5 5 5 5 5 8 8 10 8 9 9
Clouds OV OV OV OV B2 B2 B2 B1 B1 B2 B1 B1 B1 SC SC SC B1 B1 B1 B1
PoP 12hr 70 60 20 5 10
QPF 12hr 0.10 0.07 0.02 0 0
Snow 12hr 1 1 T
Rain C
Snow C L L L L C L S S
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 41 22 54 33 61 32 62 35 67
Temp 33 40 29 23 41 52 39 34 54 57 40 33 53 58 43 37 58 64
Dewpt 13 15 18 16 20 22 26 26 29 23 26 25 26 25 29 29 31 28
PWind dir NE NE N SW SW W SW S W
Wind char GN GN LT LT GN GN GN GN GN
Avg clouds B1 SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC B1 SC
PoP 12hr 5 5 0 5 10 0 5 5 10
$$
MTZ305-171000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 28 39 24 40 20
Temp 39 33 32 30 31 35 37 36 31 27 25 24 29 36 38 37 29 25 22 20
Dewpt 26 25 25 23 21 20 19 18 18 19 18 17 13 14 14 12 11 14 14 14
RH 59 72 75 75 66 54 48 47 58 71 74 74 51 40 37 35 46 62 71 77
Wind dir NW W NW NW NW NW NW NW NW NW NW W NW NW NW NW N NW NW NW
Wind spd 18 16 18 21 25 26 28 24 18 14 13 12 21 21 21 21 13 10 10 10
Clouds B1 B1 OV OV OV OV OV B2 SC SC SC SC B1 B1 B2 SC SC SC B1 B1
PoP 12hr 20 60 20 20 5
QPF 12hr 0.02 0.02 0 0 0
Snow 12hr 00-00 T 00-00
Rain
Snow C C L C S S S S S S
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 38 21 51 28 61 33 62 35 67
Temp 32 37 26 21 41 48 33 29 53 56 41 35 53 58 42 37 59 64
Dewpt 14 15 18 16 17 17 20 20 27 25 29 29 28 27 30 29 31 28
PWind dir NW NE SE SE SW W NW SE SW
Wind char GN GN LT GN GN GN GN GN GN
Avg clouds B1 B2 B1 SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC
PoP 12hr 10 0 0 0 10 10 0 5 5
$$
MTZ314-171000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
837 PM MDT Tue Apr 16 2024
Date 04/16/24 Wed 04/17/24 Thu 04/18/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 23 33 20 35 16
Temp 39 33 29 26 24 29 32 32 27 25 22 21 25 32 34 34 26 22 19 17
Dewpt 21 25 22 21 17 19 21 19 19 18 16 14 11 13 13 12 11 12 12 11
RH 48 72 75 81 74 66 63 58 71 74 77 74 55 45 41 39 52 65 74 77
Wind dir NW NW NW NW NW NW NW NW NW NW NW W NW NW NW NW NW NW NW NW
Wind spd 18 13 16 18 18 21 24 20 18 18 17 16 18 18 18 17 12 10 10 10
Wind gust 35 32 28
Clouds OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC B2 B1 SC SC FW SC
PoP 12hr 70 70 30 20 10
QPF 12hr 0.07 0.09 0.01 0 0
Snow 12hr 1 1 T
Rain
Snow C C L L L C C C C C C S S S S
Obvis BS BS BS BS BS BS
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 33 18 46 27 57 33 57 34 63
Temp 29 32 23 19 38 44 31 31 51 53 39 35 51 54 40 36 58 61
Dewpt 12 12 13 12 15 18 20 21 28 24 26 26 28 27 29 27 31 30
PWind dir NW NE SE S W W NW S W
Wind char GN GN GN GN GN GN GN GN GN
Avg clouds SC B1 B1 SC SC FW FW FW SC SC SC SC SC SC SC SC B1 SC
PoP 12hr 10 5 5 5 20 10 10 10 10
Rain S
$$
http://www.weather.gov/greatfalls